US6490388B1 - Side-pumped fiber laser - Google Patents

Side-pumped fiber laser Download PDF

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Publication number
US6490388B1
US6490388B1 US09/519,793 US51979300A US6490388B1 US 6490388 B1 US6490388 B1 US 6490388B1 US 51979300 A US51979300 A US 51979300A US 6490388 B1 US6490388 B1 US 6490388B1
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United States
Prior art keywords
window
cladding
reflective
fiber
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09/519,793
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English (en)
Inventor
Tariq Manzur
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Optigain Inc
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Optigain Inc
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Priority to US09/519,793 priority Critical patent/US6490388B1/en
Assigned to OPTIGAIN, INC. reassignment OPTIGAIN, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MANZUR, TARIQ
Application granted granted Critical
Publication of US6490388B1 publication Critical patent/US6490388B1/en
Assigned to UNITED STATES AIR FORCE reassignment UNITED STATES AIR FORCE CONFIRMATORY LICENSE (SEE DOCUMENT FOR DETAILS). Assignors: OPTIGAIN, INC.
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2852—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4287—Optical modules with tapping or launching means through the surface of the waveguide
    • G02B6/4291—Optical modules with tapping or launching means through the surface of the waveguide by accessing the evanescent field of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism or grating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H01S3/094019—Side pumped fibre, whereby pump light is coupled laterally into the fibre via an optical component like a prism, or a grating, or via V-groove coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094049—Guiding of the pump light
    • H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle

Definitions

  • the provision of a side-pumped fiber laser having a high coupling efficiency the provision of a side-pumped fiber laser that allows pumping of light directly into the core of the fiber through a window prism directly integrated into the structure of the fiber; the provision of a side-pumped fiber laser that can filter out unwanted wavelengths; the provision of a side-pumped fiber laser that is tunable; the provision of a side-pumped fiber laser including Bragg gratings to enhance and direct coupling of the light into the core; and the provision of a side-pumped fiber laser including repetitive side-coupling of light into the fiber.
  • FIG. 1 is a schematic cross-sectional view of a side-pumped fiber laser in accordance with the teachings of the present invention.
  • the window channel 24 is formed by removing cladding material from the fiber 12 to a depth which exposes or nearly exposes the core 18 of the fiber, and along a length of the fiber which ranges from about 1 mm to about 5 mm. A shorter length of removal is preferred rather than a longer length. Removal of portions of the cladding material can be accomplished by any of a variety of known methods, including side polishing of the fiber. Once the cladding material is removed, the resulting window channel 24 is filled with an optical material having an index of refraction n 3 that is greater than the refractive index of the core. In other words, the optical window material is directly deposited onto the fiber and thus forms an integral part of the fiber.
  • the reflective window 28 can also be used as a filter to filter out unwanted wavelengths, and can further be used to tune the wavelength of the fiber laser by using a feedback mechanism (not shown).

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
  • Optical Couplings Of Light Guides (AREA)
US09/519,793 1999-03-08 2000-03-07 Side-pumped fiber laser Expired - Fee Related US6490388B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/519,793 US6490388B1 (en) 1999-03-08 2000-03-07 Side-pumped fiber laser

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12321199P 1999-03-08 1999-03-08
US12321499P 1999-03-08 1999-03-08
US09/519,793 US6490388B1 (en) 1999-03-08 2000-03-07 Side-pumped fiber laser

Publications (1)

Publication Number Publication Date
US6490388B1 true US6490388B1 (en) 2002-12-03

Family

ID=26821345

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/519,793 Expired - Fee Related US6490388B1 (en) 1999-03-08 2000-03-07 Side-pumped fiber laser

Country Status (6)

Country Link
US (1) US6490388B1 (de)
EP (1) EP1166405A1 (de)
JP (1) JP2002539616A (de)
AU (1) AU4640100A (de)
CA (1) CA2364254A1 (de)
WO (1) WO2000054377A1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040114858A1 (en) * 2002-12-11 2004-06-17 Hiroshi Komine Method for coupling diode array light into an optical fiber
US20040175074A1 (en) * 2002-01-22 2004-09-09 Dykaar Douglas Raymond Device for coupling light into the fiber
US20050128569A1 (en) * 2002-03-20 2005-06-16 Nam-Kyoo Park Gain-providing optical power equalizer
US20060133433A1 (en) * 2004-12-22 2006-06-22 Alexander Jason I Efficient chamber pumped fiber laser and amplifier
US20070237473A1 (en) * 2006-04-07 2007-10-11 Lucent Technologies Inc. Light source orientation detector
US7437033B1 (en) * 2004-05-24 2008-10-14 Hrl Laboratories, Llc Apparatus and method for pumping optical fiber
US20120032080A1 (en) * 2010-08-05 2012-02-09 Canon Kabushiki Kaisha Optical frequency converter
US8849080B1 (en) * 2013-01-14 2014-09-30 The United States Of America As Represented By The Secretary Of The Navy Monolithically integrated fiber optic coupler
US10509182B2 (en) 2015-06-18 2019-12-17 Corning Incorporated Optical coupling systems for optically coupling laser diodes to optical fibers

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243515B1 (en) * 1999-06-18 2001-06-05 Trw Inc. Apparatus for optically pumping an optical fiber from the side
AU2002211308A1 (en) * 2000-09-27 2002-04-08 Hrl Laboratories, Llc Compact side-pumped fiber
KR100416688B1 (ko) 2001-11-08 2004-01-31 주식회사 한택 광소자가 집적된 광섬유 블럭
DE60328465D1 (de) * 2002-03-15 2009-09-03 Crystal Fibre As Mikrostrukturierte optische faser mit mantelungsaussparung, verfahren zu ihrer herstellung und vorrichtung damit
US7583642B2 (en) * 2002-09-10 2009-09-01 Harris Corporation Communication system providing hybrid optical/wireless communications and related methods
US7505196B2 (en) * 2004-03-31 2009-03-17 Imra America, Inc. Method and apparatus for controlling and protecting pulsed high power fiber amplifier systems
WO2023228348A1 (ja) * 2022-05-26 2023-11-30 日本電信電話株式会社 側方励起光ファイバ及び光増幅器

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US5042897A (en) * 1989-12-26 1991-08-27 United Technologies Corporation Optical waveguide embedded light redirecting Bragg grating arrangement
JPH0792350A (ja) * 1993-09-24 1995-04-07 Hitachi Ltd スペーシング量測定装置
JPH09297227A (ja) * 1996-04-30 1997-11-18 Tatsuta Electric Wire & Cable Co Ltd 光導波路及びその製造方法
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US4658403A (en) 1983-11-08 1987-04-14 Sharp Kabushiki Kaisha Optical element in semiconductor laser device having a diffraction grating and improved resonance characteristics
US4914667A (en) 1987-01-21 1990-04-03 American Telephone And Telegraph Company, At&T Bell Laboratories Hybrid laser for optical communications, and transmitter, system, and method
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6904198B2 (en) * 2002-01-22 2005-06-07 Douglas Raymond Dykaar Device for coupling light into the fiber
US20040175074A1 (en) * 2002-01-22 2004-09-09 Dykaar Douglas Raymond Device for coupling light into the fiber
US7206124B2 (en) * 2002-03-20 2007-04-17 Luxpert Technologies Co., Ltd. Gain-providing optical power equalizer
US20050128569A1 (en) * 2002-03-20 2005-06-16 Nam-Kyoo Park Gain-providing optical power equalizer
US6842570B2 (en) * 2002-12-11 2005-01-11 Northrop Grumman Corporation Method for coupling diode array light into an optical fiber
US20040114858A1 (en) * 2002-12-11 2004-06-17 Hiroshi Komine Method for coupling diode array light into an optical fiber
US7437033B1 (en) * 2004-05-24 2008-10-14 Hrl Laboratories, Llc Apparatus and method for pumping optical fiber
US20060133433A1 (en) * 2004-12-22 2006-06-22 Alexander Jason I Efficient chamber pumped fiber laser and amplifier
US20070237473A1 (en) * 2006-04-07 2007-10-11 Lucent Technologies Inc. Light source orientation detector
US9297878B2 (en) 2006-04-07 2016-03-29 Alcatel Lucent Light source orientation detector
US20120032080A1 (en) * 2010-08-05 2012-02-09 Canon Kabushiki Kaisha Optical frequency converter
US8481945B2 (en) * 2010-08-05 2013-07-09 Canon Kabushiki Kaisha Optical frequency converter
US8849080B1 (en) * 2013-01-14 2014-09-30 The United States Of America As Represented By The Secretary Of The Navy Monolithically integrated fiber optic coupler
US10509182B2 (en) 2015-06-18 2019-12-17 Corning Incorporated Optical coupling systems for optically coupling laser diodes to optical fibers

Also Published As

Publication number Publication date
CA2364254A1 (en) 2000-09-14
JP2002539616A (ja) 2002-11-19
AU4640100A (en) 2000-09-28
EP1166405A1 (de) 2002-01-02
WO2000054377A1 (en) 2000-09-14

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